Sustained release compositions
US4228149A · kind A · utility
41Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1978 |
| Grant date | Oct 14, 1980 |
| Priority date | — |
| Expiry date | May 30, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Sustained release composition comprising a water soluble veterinary medicament dispersed in a sheet of water insoluble polymer, which sheet is of a size and composition such that it is capable of being constrained in a position which allows oral administration and is, in the rumen, capable of moving relative to this position to retain the composition therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.